successfully transmit block map

Requires a binary data type, which requires a new project serializer

app/node/output/track/track.cpp

@@ -46,7 +46,8 @@ Track::Track() :
   index_(-1),
   locked_(false),
   sequence_(nullptr),
-  ignore_arraymap_(0)
+  ignore_arraymap_(0),
+  arraymap_invalid_(false)
 {
   AddInput(kBlockInput, NodeValue::kNone, InputFlags(kInputFlagArray | kInputFlagNotKeyframable | kInputFlagHidden));
 
@@ -205,33 +206,11 @@ void Track::InputValueChangedEvent(const QString &input, int element)
 
   if (input == kMutedInput) {
     emit MutedChanged(IsMuted());
-  } else if (false && input == kArrayMapInput) {
+  } else if (input == kArrayMapInput) {
     if (ignore_arraymap_ > 0) {
-      qDebug() << "ignored our own array map update";
       ignore_arraymap_--;
     } else {
-      qDebug() << "received REAL array map update";
-
-      block_array_indexes_ = GetStandardValue(kArrayMapInput).value< QVector<int> >();
-      blocks_.reserve(block_array_indexes_.size());
-      Block *prev = nullptr;
-      for (int i = 0; i < block_array_indexes_.size(); i++) {
-        Block *b = static_cast<Block*>(GetConnectedOutput(kBlockInput, block_array_indexes_.at(i)));
-
-        Block::set_previous_next(prev, b);
-
-        if (b) {
-          blocks_.append(b);
-          prev = b;
-        } else {
-          block_array_indexes_.removeAt(i);
-          i--;
-        }
-      }
-      if (prev) {
-        prev->set_next(nullptr);
-      }
-      UpdateInOutFrom(0);
+      RefreshBlockCacheFromArrayMap();
     }
   }
 }
@@ -427,8 +406,7 @@ void Track::InsertBlockAtIndex(Block *block, int index)
 
   emit BlockAdded(block);
 
-  ignore_arraymap_++;
-  SetStandardValue(kArrayMapInput, QVariant::fromValue(block_array_indexes_));
+  UpdateArrayMap();
 }
 
 void Track::AppendBlock(Block *block)
@@ -472,8 +450,7 @@ void Track::RippleRemoveBlock(Block *block)
 
   Node::InvalidateCache(TimeRange(remove_in, qMax(track_length(), remove_out)), kBlockInput);
 
-  ignore_arraymap_++;
-  SetStandardValue(kArrayMapInput, QVariant::fromValue(block_array_indexes_));
+  UpdateArrayMap();
 }
 
 void Track::ReplaceBlock(Block *old, Block *replace)
@@ -520,8 +497,7 @@ void Track::ReplaceBlock(Block *old, Block *replace)
 
   emit BlockAdded(replace);
 
-  ignore_arraymap_++;
-  SetStandardValue(kArrayMapInput, QVariant::fromValue(block_array_indexes_));
+  UpdateArrayMap();
 }
 
 rational Track::track_length() const
@@ -553,6 +529,13 @@ void Track::SetLocked(bool e)
   locked_ = e;
 }
 
+void Track::InputConnectedEvent(const QString &input, int element, Node *node)
+{
+  if (arraymap_invalid_ && input == kBlockInput && element >= 0) {
+    RefreshBlockCacheFromArrayMap();
+  }
+}
+
 void Track::UpdateInOutFrom(int index)
 {
   // Find block just before this one to find the last out point
@@ -727,6 +710,46 @@ int Track::ConnectBlock(Block *b)
   }
 }
 
+void Track::UpdateArrayMap()
+{
+  ignore_arraymap_++;
+  SetStandardValue(kArrayMapInput, QByteArray(reinterpret_cast<const char *>(block_array_indexes_.data()), block_array_indexes_.size() * sizeof(uint32_t)));
+}
+
+void Track::RefreshBlockCacheFromArrayMap()
+{
+  QByteArray bytes = GetStandardValue(kArrayMapInput).toByteArray();
+  block_array_indexes_.resize(bytes.size() / sizeof(uint32_t));
+  memcpy(block_array_indexes_.data(), bytes.data(), bytes.size());
+  blocks_.clear();
+  blocks_.reserve(block_array_indexes_.size());
+
+  Block *prev = nullptr;
+  arraymap_invalid_ = false;
+
+  for (int i = 0; i < block_array_indexes_.size(); i++) {
+    Block *b = static_cast<Block*>(GetConnectedOutput(kBlockInput, block_array_indexes_.at(i)));
+
+    Block::set_previous_next(prev, b);
+
+    if (b) {
+      b->set_track(this);
+      blocks_.append(b);
+      prev = b;
+    } else {
+      block_array_indexes_.resize(i);
+      arraymap_invalid_ = true;
+      break;
+    }
+  }
+
+  if (prev) {
+    prev->set_next(nullptr);
+  }
+
+  UpdateInOutFrom(0);
+}
+
 void Track::BlockLengthChanged()
 {
   // Assumes sender is a Block

app/node/output/track/track.h

@@ -444,6 +444,7 @@ signals:
   void BlocksRefreshed();
 
 protected:
+  virtual void InputConnectedEvent(const QString& input, int element, Node *node) override;
   virtual void InputValueChangedEvent(const QString& input, int element) override;
 
 private:
@@ -459,10 +460,12 @@ private:
 
   int ConnectBlock(Block *b);
 
+  void UpdateArrayMap();
+
   TimeRangeList block_length_pending_invalidations_;
 
   QVector<Block*> blocks_;
-  QVector<int> block_array_indexes_;
+  QVector<uint32_t> block_array_indexes_;
 
   std::list<int> empty_inputs_;
 
@@ -477,10 +480,13 @@ private:
   Sequence *sequence_;
 
   int ignore_arraymap_;
+  bool arraymap_invalid_;
 
 private slots:
   void BlockLengthChanged();
 
+  void RefreshBlockCacheFromArrayMap();
+
 };
 
 uint qHash(const Track::Reference& r, uint seed = 0);

app/node/project/serializer/CMakeLists.txt

@@ -29,6 +29,9 @@ set(OLIVE_SOURCES
   node/project/serializer/serializer211228.h
   node/project/serializer/serializer220403.cpp
   node/project/serializer/serializer220403.h
+  node/project/serializer/serializer230220.cpp
+  node/project/serializer/serializer230220.h
+
 
   node/project/serializer/typeserializer.cpp
   node/project/serializer/typeserializer.h

app/node/project/serializer/serializer.cpp

@@ -32,6 +32,7 @@
 #include "serializer210907.h"
 #include "serializer211228.h"
 #include "serializer220403.h"
+#include "serializer230220.h"
 
 namespace olive {
 
@@ -48,6 +49,7 @@ void ProjectSerializer::Initialize()
   instances_.append(new ProjectSerializer210907);
   instances_.append(new ProjectSerializer211228);
   instances_.append(new ProjectSerializer220403);
+  instances_.append(new ProjectSerializer230220);
 }
 
 void ProjectSerializer::Destroy()
@@ -64,9 +66,9 @@ ProjectSerializer::Result ProjectSerializer::Load(Project *project, const QStrin
     // Some project files are compressed, marked with "OVEC" at the beginning of the file. Check for
     // that signature now.
     std::unique_ptr<QXmlStreamReader> reader;
-    QByteArray b = project_file.read(4);
-    if (!memcmp(b.data(), "OVEC", 4)) {
+    if (CheckCompressedID(&project_file)) {
       // File is compressed, decompress into memory
+      QByteArray b;
       b = qUncompress(project_file.readAll());
       reader.reset(new QXmlStreamReader(b));
     } else {
@@ -256,6 +258,12 @@ ProjectSerializer::Result ProjectSerializer::Copy(const SaveData &data, const QS
   return res;
 }
 
+bool ProjectSerializer::CheckCompressedID(QFile *file)
+{
+  QByteArray b = file->read(4);
+  return !memcmp(b.data(), "OVEC", 4);
+}
+
 bool ProjectSerializer::IsCancelled() const
 {
   return false;

app/node/project/serializer/serializer.h

@@ -165,6 +165,8 @@ public:
   static Result Save(QXmlStreamWriter *write_device, const SaveData &data, const QString &type);
   static Result Copy(const SaveData &data, const QString &type);
 
+  static bool CheckCompressedID(QFile *file);
+
 protected:
   virtual LoadData Load(Project *project, QXmlStreamReader *reader, void *reserved) const = 0;
 

app/node/project/serializer/serializer210528.cpp

@@ -156,6 +156,20 @@ ProjectSerializer210528::LoadData ProjectSerializer210528::Load(Project *project
   // Make connections
   PostConnect(xml_node_data);
 
+  // Resolve tracks
+  for (Node *n : project->nodes()) {
+    n->SetCachesEnabled(true);
+
+    if (Track *t = dynamic_cast<Track *>(n)) {
+      for (int i = 0; i < t->InputArraySize(Track::kBlockInput); i++) {
+        Block *b = static_cast<Block*>(t->GetConnectedOutput(Track::kBlockInput, i));
+        if (!b->track()) {
+          t->AppendBlock(b);
+        }
+      }
+    }
+  }
+
   return LoadData();
 }
 

app/node/project/serializer/serializer210907.cpp

@@ -156,6 +156,20 @@ ProjectSerializer210907::LoadData ProjectSerializer210907::Load(Project *project
   // Make connections
   PostConnect(xml_node_data);
 
+  // Resolve tracks
+  for (Node *n : project->nodes()) {
+    n->SetCachesEnabled(true);
+
+    if (Track *t = dynamic_cast<Track *>(n)) {
+      for (int i = 0; i < t->InputArraySize(Track::kBlockInput); i++) {
+        Block *b = static_cast<Block*>(t->GetConnectedOutput(Track::kBlockInput, i));
+        if (!b->track()) {
+          t->AppendBlock(b);
+        }
+      }
+    }
+  }
+
   return LoadData();
 }
 

app/node/project/serializer/serializer211228.cpp

@@ -205,6 +205,20 @@ ProjectSerializer211228::LoadData ProjectSerializer211228::Load(Project *project
     }
   }
 
+  // Resolve tracks
+  for (Node *n : project->nodes()) {
+    n->SetCachesEnabled(true);
+
+    if (Track *t = dynamic_cast<Track *>(n)) {
+      for (int i = 0; i < t->InputArraySize(Track::kBlockInput); i++) {
+        Block *b = static_cast<Block*>(t->GetConnectedOutput(Track::kBlockInput, i));
+        if (!b->track()) {
+          t->AppendBlock(b);
+        }
+      }
+    }
+  }
+
   return load_data;
 }
 

app/node/project/serializer/serializer220403.cpp

@@ -26,20 +26,6 @@
 
 namespace olive {
 
-// These wrappers may appear to do nothing, but they seem to address a bug where sometimes
-// QXmlStreamWriter would insert nonsense null characters into a project. This is probably some
-// real edge case like compiler optimization or some bullshit like that. I don't even know if it
-// affects all platforms, but it definitely affected me on Linux.
-void WriteStartElement(QXmlStreamWriter *writer, const QString &s)
-{
-  writer->writeStartElement(s);
-}
-
-void WriteEndElement(QXmlStreamWriter *writer)
-{
-  writer->writeEndElement();
-}
-
 ProjectSerializer220403::LoadData ProjectSerializer220403::Load(Project *project, QXmlStreamReader *reader, void *reserved) const
 {
   QMap<quintptr, QMap<QString, QString> > properties;
@@ -331,164 +317,23 @@ ProjectSerializer220403::LoadData ProjectSerializer220403::Load(Project *project
     }
   }
 
-  // Re-enable caches
+  // Re-enable caches and resolve tracks
   for (Node *n : project->nodes()) {
     n->SetCachesEnabled(true);
+
+    if (Track *t = dynamic_cast<Track *>(n)) {
+      for (int i = 0; i < t->InputArraySize(Track::kBlockInput); i++) {
+        Block *b = static_cast<Block*>(t->GetConnectedOutput(Track::kBlockInput, i));
+        if (!b->track()) {
+          t->AppendBlock(b);
+        }
+      }
+    }
   }
 
   return load_data;
 }
 
-void ProjectSerializer220403::Save(QXmlStreamWriter *writer, const SaveData &data, void *reserved) const
-{
-  if (!data.GetOnlySerializeMarkers().empty()) {
-
-    WriteStartElement(writer, QStringLiteral("markers"));
-
-    for (auto it=data.GetOnlySerializeMarkers().cbegin(); it!=data.GetOnlySerializeMarkers().cend(); it++) {
-      TimelineMarker *marker = *it;
-
-      WriteStartElement(writer, QStringLiteral("marker"));
-
-      SaveMarker(writer, marker);
-
-      WriteEndElement(writer); // marker
-    }
-
-    WriteEndElement(writer); // markers
-
-  } else if (!data.GetOnlySerializeKeyframes().empty()) {
-
-    WriteStartElement(writer, QStringLiteral("keyframes"));
-
-    // Organize keyframes into node+input
-    QHash<QString, QHash<QString, QMap<int, QMap<int, QVector<NodeKeyframe*> > > > > organized;
-
-    for (auto it=data.GetOnlySerializeKeyframes().cbegin(); it!=data.GetOnlySerializeKeyframes().cend(); it++) {
-      NodeKeyframe *key = *it;
-      organized[key->parent()->id()][key->input()][key->element()][key->track()].append(key);
-    }
-
-    for (auto it=organized.cbegin(); it!=organized.cend(); it++) {
-      WriteStartElement(writer, QStringLiteral("node"));
-
-      writer->writeAttribute(QStringLiteral("id"), it.key());
-
-      for (auto jt=it.value().cbegin(); jt!=it.value().cend(); jt++) {
-        WriteStartElement(writer, QStringLiteral("input"));
-
-        writer->writeAttribute(QStringLiteral("id"), jt.key());
-
-        for (auto kt=jt.value().cbegin(); kt!=jt.value().cend(); kt++) {
-          WriteStartElement(writer, QStringLiteral("element"));
-
-          writer->writeAttribute(QStringLiteral("id"), QString::number(kt.key()));
-
-          for (auto lt=kt.value().cbegin(); lt!=kt.value().cend(); lt++) {
-            const QVector<NodeKeyframe *> &keys = lt.value();
-
-            WriteStartElement(writer, QStringLiteral("track"));
-
-            writer->writeAttribute(QStringLiteral("id"), QString::number(lt.key()));
-
-            for (NodeKeyframe *key : keys) {
-              WriteStartElement(writer, QStringLiteral("key"));
-              SaveKeyframe(writer, key, key->parent()->GetInputDataType(key->input()));
-              WriteEndElement(writer); // key
-            }
-
-            WriteEndElement(writer); // track
-          }
-
-          WriteEndElement(writer); // element
-        }
-
-        WriteEndElement(writer); // input
-      }
-
-      WriteEndElement(writer); // node;
-    }
-
-    WriteEndElement(writer); // keyframes
-
-  } else if (Project *project = data.GetProject()) {
-
-    writer->writeTextElement(QStringLiteral("uuid"), project->GetUuid().toString());
-
-    WriteStartElement(writer, QStringLiteral("nodes"));
-
-    const QVector<Node*> &using_node_list = (data.GetOnlySerializeNodes().isEmpty()) ? project->nodes() : data.GetOnlySerializeNodes();
-
-    foreach (Node* node, using_node_list) {
-      WriteStartElement(writer, QStringLiteral("node"));
-
-      if (node == project->root()) {
-        writer->writeAttribute(QStringLiteral("root"), QStringLiteral("1"));
-      } else if (node == project->color_manager()) {
-        writer->writeAttribute(QStringLiteral("cm"), QStringLiteral("1"));
-      } else if (node == project->settings()) {
-        writer->writeAttribute(QStringLiteral("settings"), QStringLiteral("1"));
-      }
-
-      writer->writeAttribute(QStringLiteral("id"), node->id());
-
-      SaveNode(node, writer);
-
-      WriteEndElement(writer); // node
-    }
-
-    WriteEndElement(writer); // nodes
-
-    WriteStartElement(writer, QStringLiteral("positions"));
-
-    foreach (Node* context, using_node_list) {
-      const Node::PositionMap &map = context->GetContextPositions();
-
-      if (!map.isEmpty()) {
-        WriteStartElement(writer, QStringLiteral("context"));
-
-        writer->writeAttribute(QStringLiteral("ptr"), QString::number(reinterpret_cast<quintptr>(context)));
-
-        for (auto jt=map.cbegin(); jt!=map.cend(); jt++) {
-          if (data.GetOnlySerializeNodes().isEmpty() || data.GetOnlySerializeNodes().contains(jt.key())) {
-            WriteStartElement(writer, QStringLiteral("node"));
-            SavePosition(writer, jt.key(), jt.value());
-            WriteEndElement(writer); // node
-          }
-        }
-
-        WriteEndElement(writer); // context
-      }
-    }
-
-    WriteEndElement(writer); // positions
-
-    WriteStartElement(writer, QStringLiteral("properties"));
-
-    for (auto it=data.GetProperties().cbegin(); it!=data.GetProperties().cend(); it++) {
-      WriteStartElement(writer, QStringLiteral("node"));
-
-      writer->writeAttribute(QStringLiteral("ptr"), QString::number(reinterpret_cast<quintptr>(it.key())));
-
-      for (auto jt=it.value().cbegin(); jt!=it.value().cend(); jt++) {
-        writer->writeTextElement(jt.key(), jt.value());
-      }
-
-      WriteEndElement(writer); // node
-    }
-
-    WriteEndElement(writer); // properties
-
-    // Save main window project layout
-    project->GetLayoutInfo().toXml(writer);
-
-  } else {
-
-    qCritical() << "Cannot save nodes without project object";
-
-  }
-}
-
 void ProjectSerializer220403::LoadNode(Node *node, XMLNodeData &xml_node_data, QXmlStreamReader *reader) const
 {
   while (XMLReadNextStartElement(reader)) {
@@ -590,69 +435,6 @@ void ProjectSerializer220403::LoadNode(Node *node, XMLNodeData &xml_node_data, Q
   node->LoadFinishedEvent();
 }
 
-void ProjectSerializer220403::SaveNode(Node *node, QXmlStreamWriter *writer) const
-{
-  writer->writeTextElement(QStringLiteral("ptr"), QString::number(reinterpret_cast<quintptr>(node)));
-
-  writer->writeTextElement(QStringLiteral("label"), node->GetLabel());
-  writer->writeTextElement(QStringLiteral("color"), QString::number(node->GetOverrideColor()));
-
-  foreach (const QString& input, node->inputs()) {
-    WriteStartElement(writer, QStringLiteral("input"));
-
-    SaveInput(node, writer, input);
-
-    WriteEndElement(writer); // input
-  }
-
-  WriteStartElement(writer, QStringLiteral("links"));
-  foreach (Node* link, node->links()) {
-    writer->writeTextElement(QStringLiteral("link"), QString::number(reinterpret_cast<quintptr>(link)));
-  }
-  WriteEndElement(writer); // links
-
-  WriteStartElement(writer, QStringLiteral("connections"));
-  for (auto it=node->input_connections().cbegin(); it!=node->input_connections().cend(); it++) {
-    WriteStartElement(writer, QStringLiteral("connection"));
-
-    writer->writeAttribute(QStringLiteral("input"), it->first.input());
-    writer->writeAttribute(QStringLiteral("element"), QString::number(it->first.element()));
-
-    writer->writeTextElement(QStringLiteral("output"), QString::number(reinterpret_cast<quintptr>(it->second)));
-
-    WriteEndElement(writer); // connection
-  }
-  WriteEndElement(writer); // connections
-
-  WriteStartElement(writer, QStringLiteral("hints"));
-  for (auto it=node->GetValueHints().cbegin(); it!=node->GetValueHints().cend(); it++) {
-    WriteStartElement(writer, QStringLiteral("hint"));
-
-    writer->writeAttribute(QStringLiteral("input"), it.key().input);
-    writer->writeAttribute(QStringLiteral("element"), QString::number(it.key().element));
-
-    SaveValueHint(&it.value(), writer);
-
-    WriteEndElement(writer); // hint
-  }
-  WriteEndElement(writer); // hints
-
-  WriteStartElement(writer, QStringLiteral("caches"));
-
-  writer->writeTextElement(QStringLiteral("audio"), node->audio_playback_cache()->GetUuid().toString());
-  writer->writeTextElement(QStringLiteral("video"), node->video_frame_cache()->GetUuid().toString());
-  writer->writeTextElement(QStringLiteral("thumb"), node->thumbnail_cache()->GetUuid().toString());
-  writer->writeTextElement(QStringLiteral("waveform"), node->waveform_cache()->GetUuid().toString());
-
-  WriteEndElement(writer); // caches
-
-  WriteStartElement(writer, QStringLiteral("custom"));
-
-  SaveNodeCustom(writer, node);
-
-  WriteEndElement(writer); // custom
-}
-
 void ProjectSerializer220403::LoadInput(Node *node, QXmlStreamReader *reader, XMLNodeData &xml_node_data) const
 {
   if (dynamic_cast<NodeGroup*>(node)) {
@@ -716,33 +498,6 @@ void ProjectSerializer220403::LoadInput(Node *node, QXmlStreamReader *reader, XM
   }
 }
 
-void ProjectSerializer220403::SaveInput(Node *node, QXmlStreamWriter *writer, const QString &id) const
-{
-  writer->writeAttribute(QStringLiteral("id"), id);
-
-  WriteStartElement(writer, QStringLiteral("primary"));
-
-  SaveImmediate(writer, node, id, -1);
-
-  WriteEndElement(writer); // primary
-
-  WriteStartElement(writer, QStringLiteral("subelements"));
-
-  int arr_sz = node->InputArraySize(id);
-
-  writer->writeAttribute(QStringLiteral("count"), QString::number(arr_sz));
-
-  for (int i=0; i<arr_sz; i++) {
-    WriteStartElement(writer, QStringLiteral("element"));
-
-    SaveImmediate(writer, node, id, i);
-
-    WriteEndElement(writer); // element
-  }
-
-  WriteEndElement(writer); // subelements
-}
-
 void ProjectSerializer220403::LoadImmediate(QXmlStreamReader *reader, Node *node, const QString& input, int element, XMLNodeData &xml_node_data) const
 {
   Q_UNUSED(xml_node_data)
@@ -840,61 +595,6 @@ void ProjectSerializer220403::LoadImmediate(QXmlStreamReader *reader, Node *node
   }
 }
 
-void ProjectSerializer220403::SaveImmediate(QXmlStreamWriter *writer, Node *node, const QString& input, int element) const
-{
-  if (node->IsInputKeyframable(input)) {
-    writer->writeTextElement(QStringLiteral("keyframing"), QString::number(node->IsInputKeyframing(input, element)));
-  }
-
-  NodeValue::Type data_type = node->GetInputDataType(input);
-
-  // Write standard value
-  WriteStartElement(writer, QStringLiteral("standard"));
-
-  foreach (const QVariant& v, node->GetSplitStandardValue(input, element)) {
-    WriteStartElement(writer, QStringLiteral("track"));
-
-    if (data_type == NodeValue::kVideoParams) {
-      v.value<VideoParams>().Save(writer);
-    } else if (data_type == NodeValue::kAudioParams) {
-      TypeSerializer::SaveAudioParams(writer, v.value<AudioParams>());
-    } else {
-      writer->writeCharacters(NodeValue::ValueToString(data_type, v, true));
-    }
-
-    WriteEndElement(writer); // track
-  }
-
-  WriteEndElement(writer); // standard
-
-  // Write keyframes
-  WriteStartElement(writer, QStringLiteral("keyframes"));
-
-  for (const NodeKeyframeTrack& track : node->GetKeyframeTracks(input, element)) {
-    WriteStartElement(writer, QStringLiteral("track"));
-
-    for (NodeKeyframe* key : track) {
-      WriteStartElement(writer, QStringLiteral("key"));
-
-      SaveKeyframe(writer, key, data_type);
-
-      WriteEndElement(writer); // key
-    }
-
-    WriteEndElement(writer); // track
-  }
-
-  WriteEndElement(writer); // keyframes
-
-  if (data_type == NodeValue::kColor) {
-    // Save color management information
-    writer->writeTextElement(QStringLiteral("csinput"), node->GetInputProperty(input, QStringLiteral("col_input")).toString());
-    writer->writeTextElement(QStringLiteral("csdisplay"), node->GetInputProperty(input, QStringLiteral("col_display")).toString());
-    writer->writeTextElement(QStringLiteral("csview"), node->GetInputProperty(input, QStringLiteral("col_view")).toString());
-    writer->writeTextElement(QStringLiteral("cslook"), node->GetInputProperty(input, QStringLiteral("col_look")).toString());
-  }
-}
-
 void ProjectSerializer220403::LoadKeyframe(QXmlStreamReader *reader, NodeKeyframe *key, NodeValue::Type data_type) const
 {
   QString key_input;
@@ -929,19 +629,6 @@ void ProjectSerializer220403::LoadKeyframe(QXmlStreamReader *reader, NodeKeyfram
   key->set_bezier_control_out(key_out_handle);
 }
 
-void ProjectSerializer220403::SaveKeyframe(QXmlStreamWriter *writer, NodeKeyframe *key, NodeValue::Type data_type) const
-{
-  writer->writeAttribute(QStringLiteral("input"), key->input());
-  writer->writeAttribute(QStringLiteral("time"), QString::fromStdString(key->time().toString()));
-  writer->writeAttribute(QStringLiteral("type"), QString::number(key->type()));
-  writer->writeAttribute(QStringLiteral("inhandlex"), QString::number(key->bezier_control_in().x()));
-  writer->writeAttribute(QStringLiteral("inhandley"), QString::number(key->bezier_control_in().y()));
-  writer->writeAttribute(QStringLiteral("outhandlex"), QString::number(key->bezier_control_out().x()));
-  writer->writeAttribute(QStringLiteral("outhandley"), QString::number(key->bezier_control_out().y()));
-
-  writer->writeCharacters(NodeValue::ValueToString(data_type, key->value(), true));
-}
-
 bool ProjectSerializer220403::LoadPosition(QXmlStreamReader *reader, quintptr *node_ptr, Node::Position *pos) const
 {
   bool got_node_ptr = false;
@@ -973,15 +660,6 @@ bool ProjectSerializer220403::LoadPosition(QXmlStreamReader *reader, quintptr *n
   return got_node_ptr && got_pos_x && got_pos_y;
 }
 
-void ProjectSerializer220403::SavePosition(QXmlStreamWriter *writer, Node *node, const Node::Position &pos) const
-{
-  writer->writeAttribute(QStringLiteral("ptr"), QString::number(reinterpret_cast<quintptr>(node)));
-
-  writer->writeTextElement(QStringLiteral("x"), QString::number(pos.position.x()));
-  writer->writeTextElement(QStringLiteral("y"), QString::number(pos.position.y()));
-  writer->writeTextElement(QStringLiteral("expanded"), QString::number(pos.expanded));
-}
-
 void ProjectSerializer220403::PostConnect(const XMLNodeData &xml_node_data) const
 {
   foreach (const XMLNodeData::SerializedConnection& con, xml_node_data.desired_connections) {
@@ -1125,63 +803,6 @@ void ProjectSerializer220403::LoadNodeCustom(QXmlStreamReader *reader, Node *nod
   }
 }
 
-void ProjectSerializer220403::SaveNodeCustom(QXmlStreamWriter *writer, Node *node) const
-{
-  if (ViewerOutput *viewer = dynamic_cast<ViewerOutput*>(node)) {
-    // Write TimelinePoints
-    WriteStartElement(writer, QStringLiteral("points"));
-    SaveTimelinePoints(writer, viewer);
-    WriteEndElement(writer); // points
-
-    if (Footage *footage = dynamic_cast<Footage*>(node)) {
-      writer->writeTextElement(QStringLiteral("timestamp"), QString::number(footage->timestamp()));
-    }
-  } else if (Track *track = dynamic_cast<Track*>(node)) {
-    writer->writeTextElement(QStringLiteral("height"), QString::number(track->GetTrackHeight()));
-  } else if (NodeGroup *group = dynamic_cast<NodeGroup*>(node)) {
-    WriteStartElement(writer, QStringLiteral("inputpassthroughs"));
-
-    foreach (const NodeGroup::InputPassthrough &ip, group->GetInputPassthroughs()) {
-      WriteStartElement(writer, QStringLiteral("inputpassthrough"));
-
-      // Reference to inner input
-      writer->writeTextElement(QStringLiteral("node"), QString::number(reinterpret_cast<quintptr>(ip.second.node())));
-      writer->writeTextElement(QStringLiteral("input"), ip.second.input());
-      writer->writeTextElement(QStringLiteral("element"), QString::number(ip.second.element()));
-
-      // ID of passthrough
-      writer->writeTextElement(QStringLiteral("id"), ip.first);
-
-      // Passthrough-specific details
-      NodeInput group_input(group, ip.first, ip.second.element());
-      writer->writeTextElement(QStringLiteral("name"), group->Node::GetInputName(ip.first));
-
-      writer->writeTextElement(QStringLiteral("flags"), QString::number((group_input.GetFlags() & ~ip.second.GetFlags()).value()));
-
-      NodeValue::Type data_type = group_input.GetDataType();
-      writer->writeTextElement(QStringLiteral("type"), NodeValue::GetDataTypeName(data_type));
-
-      writer->writeTextElement(QStringLiteral("default"), NodeValue::ValueToString(data_type, group_input.GetDefaultValue(), false));
-
-      WriteStartElement(writer, QStringLiteral("properties"));
-      auto p = group_input.GetProperties();
-      for (auto it=p.cbegin(); it!=p.cend(); it++) {
-        WriteStartElement(writer, QStringLiteral("property"));
-        writer->writeTextElement(QStringLiteral("key"), it.key());
-        writer->writeTextElement(QStringLiteral("value"), it.value().toString());
-        WriteEndElement(writer); // property
-      }
-      WriteEndElement(writer); // properties
-
-      WriteEndElement(writer); // input
-    }
-
-    WriteEndElement(writer); // inputpassthroughs
-
-    writer->writeTextElement(QStringLiteral("outputpassthrough"), QString::number(reinterpret_cast<quintptr>(group->GetOutputPassthrough())));
-  }
-}
-
 void ProjectSerializer220403::LoadTimelinePoints(QXmlStreamReader *reader, ViewerOutput *viewer) const
 {
   while (XMLReadNextStartElement(reader)) {
@@ -1195,17 +816,6 @@ void ProjectSerializer220403::LoadTimelinePoints(QXmlStreamReader *reader, Viewe
   }
 }
 
-void ProjectSerializer220403::SaveTimelinePoints(QXmlStreamWriter *writer, ViewerOutput *viewer) const
-{
-  WriteStartElement(writer, QStringLiteral("workarea"));
-  SaveWorkArea(writer, viewer->GetWorkArea());
-  WriteEndElement(writer); // workarea
-
-  WriteStartElement(writer, QStringLiteral("markers"));
-  SaveMarkerList(writer, viewer->GetMarkers());
-  WriteEndElement(writer); // markers
-}
-
 void ProjectSerializer220403::LoadMarker(QXmlStreamReader *reader, TimelineMarker *marker) const
 {
   rational in, out;
@@ -1228,14 +838,6 @@ void ProjectSerializer220403::LoadMarker(QXmlStreamReader *reader, TimelineMarke
   reader->skipCurrentElement();
 }
 
-void ProjectSerializer220403::SaveMarker(QXmlStreamWriter *writer, TimelineMarker *marker) const
-{
-  writer->writeAttribute(QStringLiteral("name"), marker->name());
-  writer->writeAttribute(QStringLiteral("in"), QString::fromStdString(marker->time().in().toString()));
-  writer->writeAttribute(QStringLiteral("out"), QString::fromStdString(marker->time().out().toString()));
-  writer->writeAttribute(QStringLiteral("color"), QString::number(marker->color()));
-}
-
 void ProjectSerializer220403::LoadWorkArea(QXmlStreamReader *reader, TimelineWorkArea *workarea) const
 {
   rational range_in = workarea->in();
@@ -1260,13 +862,6 @@ void ProjectSerializer220403::LoadWorkArea(QXmlStreamReader *reader, TimelineWor
   reader->skipCurrentElement();
 }
 
-void ProjectSerializer220403::SaveWorkArea(QXmlStreamWriter *writer, TimelineWorkArea *workarea) const
-{
-  writer->writeAttribute(QStringLiteral("enabled"), QString::number(workarea->enabled()));
-  writer->writeAttribute(QStringLiteral("in"), QString::fromStdString(workarea->in().toString()));
-  writer->writeAttribute(QStringLiteral("out"), QString::fromStdString(workarea->out().toString()));
-}
-
 void ProjectSerializer220403::LoadMarkerList(QXmlStreamReader *reader, TimelineMarkerList *markers) const
 {
   while (XMLReadNextStartElement(reader)) {
@@ -1279,19 +874,6 @@ void ProjectSerializer220403::LoadMarkerList(QXmlStreamReader *reader, TimelineM
   }
 }
 
-void ProjectSerializer220403::SaveMarkerList(QXmlStreamWriter *writer, TimelineMarkerList *markers) const
-{
-  for (auto it=markers->cbegin(); it!=markers->cend(); it++) {
-    TimelineMarker* marker = *it;
-
-    WriteStartElement(writer, QStringLiteral("marker"));
-
-    SaveMarker(writer, marker);
-
-    WriteEndElement(writer); // marker
-  }
-}
-
 void ProjectSerializer220403::LoadValueHint(Node::ValueHint *hint, QXmlStreamReader *reader) const
 {
   QVector<NodeValue::Type> types;
@@ -1317,19 +899,4 @@ void ProjectSerializer220403::LoadValueHint(Node::ValueHint *hint, QXmlStreamRea
   hint->set_type(types);
 }
 
-void ProjectSerializer220403::SaveValueHint(const Node::ValueHint *hint, QXmlStreamWriter *writer) const
-{
-  WriteStartElement(writer, QStringLiteral("types"));
-
-  for (auto it=hint->types().cbegin(); it!=hint->types().cend(); it++) {
-    writer->writeTextElement(QStringLiteral("type"), QString::number(*it));
-  }
-
-  WriteEndElement(writer); // types
-
-  writer->writeTextElement(QStringLiteral("index"), QString::number(hint->index()));
-
-  writer->writeTextElement(QStringLiteral("tag"), hint->tag());
-}
-
 }

app/node/project/serializer/serializer220403.h

@@ -33,8 +33,6 @@ public:
 protected:
   virtual LoadData Load(Project *project, QXmlStreamReader *reader, void *reserved) const override;
 
-  virtual void Save(QXmlStreamWriter *writer, const SaveData &data, void *reserved) const override;
-
   virtual uint Version() const override
   {
     return 220403;
@@ -76,50 +74,28 @@ private:
 
   void LoadNode(Node *node, XMLNodeData &xml_node_data, QXmlStreamReader *reader) const;
 
-  void SaveNode(Node *node, QXmlStreamWriter *writer) const;
-
   void LoadInput(Node *node, QXmlStreamReader* reader, XMLNodeData &xml_node_data) const;
 
-  void SaveInput(Node *node, QXmlStreamWriter* writer, const QString& id) const;
-
   void LoadImmediate(QXmlStreamReader *reader, Node *node, const QString& input, int element, XMLNodeData& xml_node_data) const;
 
-  void SaveImmediate(QXmlStreamWriter *writer, Node *node, const QString &input, int element) const;
-
   void LoadKeyframe(QXmlStreamReader *reader, NodeKeyframe *key, NodeValue::Type data_type) const;
 
-  void SaveKeyframe(QXmlStreamWriter *writer, NodeKeyframe *key, NodeValue::Type data_type) const;
-
   bool LoadPosition(QXmlStreamReader *reader, quintptr *node_ptr, Node::Position *pos) const;
 
-  void SavePosition(QXmlStreamWriter *writer, Node *node, const Node::Position &pos) const;
-
   void PostConnect(const XMLNodeData &xml_node_data) const;
 
   void LoadNodeCustom(QXmlStreamReader *reader, Node *node, XMLNodeData &xml_node_data) const;
 
-  void SaveNodeCustom(QXmlStreamWriter *writer, Node *node) const;
-
   void LoadTimelinePoints(QXmlStreamReader *reader, ViewerOutput *viewer) const;
 
-  void SaveTimelinePoints(QXmlStreamWriter *writer, ViewerOutput *viewer) const;
-
   void LoadMarker(QXmlStreamReader *reader, TimelineMarker *marker) const;
 
-  void SaveMarker(QXmlStreamWriter *writer, TimelineMarker *marker) const;
-
   void LoadWorkArea(QXmlStreamReader *reader, TimelineWorkArea *workarea) const;
 
-  void SaveWorkArea(QXmlStreamWriter *writer, TimelineWorkArea *workarea) const;
-
   void LoadMarkerList(QXmlStreamReader *reader, TimelineMarkerList *markers) const;
 
-  void SaveMarkerList(QXmlStreamWriter *writer, TimelineMarkerList *markers) const;
-
   void LoadValueHint(Node::ValueHint *hint, QXmlStreamReader *reader) const;
 
-  void SaveValueHint(const Node::ValueHint *hint, QXmlStreamWriter *writer) const;
-
 };
 
 }

app/node/project/serializer/serializer230220.h

@@ -0,0 +1,127 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2023 Olive Studios LLC
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#ifndef PROJECTSERIALIZER230220_H
+#define PROJECTSERIALIZER230220_H
+
+#include "serializer.h"
+
+namespace olive {
+
+class ProjectSerializer230220 : public ProjectSerializer
+{
+public:
+  ProjectSerializer230220() = default;
+
+protected:
+  virtual LoadData Load(Project *project, QXmlStreamReader *reader, void *reserved) const override;
+
+  virtual void Save(QXmlStreamWriter *writer, const SaveData &data, void *reserved) const override;
+
+  virtual uint Version() const override
+  {
+    return 230220;
+  }
+
+private:
+  struct XMLNodeData {
+    struct SerializedConnection {
+      NodeInput input;
+      quintptr output_node;
+    };
+
+    struct BlockLink {
+      Node* block;
+      quintptr link;
+    };
+
+    struct GroupLink {
+      NodeGroup *group;
+      QString passthrough_id;
+      quintptr input_node;
+      QString input_id;
+      int input_element;
+      QString custom_name;
+      InputFlags custom_flags;
+      NodeValue::Type data_type;
+      QVariant default_val;
+      QHash<QString, QVariant> custom_properties;
+    };
+
+    QHash<quintptr, Node*> node_ptrs;
+    QList<SerializedConnection> desired_connections;
+    QList<BlockLink> block_links;
+    QVector<GroupLink> group_input_links;
+    QHash<NodeGroup*, quintptr> group_output_links;
+    QHash<Node*, QUuid> node_uuids;
+
+  };
+
+  void LoadNode(Node *node, XMLNodeData &xml_node_data, QXmlStreamReader *reader) const;
+
+  void SaveNode(Node *node, QXmlStreamWriter *writer) const;
+
+  void LoadInput(Node *node, QXmlStreamReader* reader, XMLNodeData &xml_node_data) const;
+
+  void SaveInput(Node *node, QXmlStreamWriter* writer, const QString& id) const;
+
+  void LoadImmediate(QXmlStreamReader *reader, Node *node, const QString& input, int element, XMLNodeData& xml_node_data) const;
+
+  void SaveImmediate(QXmlStreamWriter *writer, Node *node, const QString &input, int element) const;
+
+  void LoadKeyframe(QXmlStreamReader *reader, NodeKeyframe *key, NodeValue::Type data_type) const;
+
+  void SaveKeyframe(QXmlStreamWriter *writer, NodeKeyframe *key, NodeValue::Type data_type) const;
+
+  bool LoadPosition(QXmlStreamReader *reader, quintptr *node_ptr, Node::Position *pos) const;
+
+  void SavePosition(QXmlStreamWriter *writer, Node *node, const Node::Position &pos) const;
+
+  void PostConnect(const XMLNodeData &xml_node_data) const;
+
+  void LoadNodeCustom(QXmlStreamReader *reader, Node *node, XMLNodeData &xml_node_data) const;
+
+  void SaveNodeCustom(QXmlStreamWriter *writer, Node *node) const;
+
+  void LoadTimelinePoints(QXmlStreamReader *reader, ViewerOutput *viewer) const;
+
+  void SaveTimelinePoints(QXmlStreamWriter *writer, ViewerOutput *viewer) const;
+
+  void LoadMarker(QXmlStreamReader *reader, TimelineMarker *marker) const;
+
+  void SaveMarker(QXmlStreamWriter *writer, TimelineMarker *marker) const;
+
+  void LoadWorkArea(QXmlStreamReader *reader, TimelineWorkArea *workarea) const;
+
+  void SaveWorkArea(QXmlStreamWriter *writer, TimelineWorkArea *workarea) const;
+
+  void LoadMarkerList(QXmlStreamReader *reader, TimelineMarkerList *markers) const;
+
+  void SaveMarkerList(QXmlStreamWriter *writer, TimelineMarkerList *markers) const;
+
+  void LoadValueHint(Node::ValueHint *hint, QXmlStreamReader *reader) const;
+
+  void SaveValueHint(const Node::ValueHint *hint, QXmlStreamWriter *writer) const;
+
+};
+
+}
+
+#endif // PROJECTSERIALIZER230220_H

app/node/value.cpp

@@ -77,6 +77,8 @@ QString NodeValue::ValueToString(Type data_type, const QVariant &value, bool val
     return QString();
   } else if (data_type == kInt) {
     return QString::number(value.value<int64_t>());
+  } else if (data_type == kBinary) {
+    return value.toByteArray().toBase64();
   } else {
     if (value.canConvert<QString>()) {
       return value.toString();
@@ -243,6 +245,8 @@ QVariant NodeValue::StringToValue(Type data_type, const QString &string, bool va
     return QVariant::fromValue(string.toLongLong());
   } else if (data_type == kRational) {
     return QVariant::fromValue(rational::fromString(string.toStdString()));
+  } else if (data_type == kBinary) {
+    return QByteArray::fromBase64(string.toLatin1());
   } else {
     return string;
   }
@@ -297,6 +301,8 @@ QString NodeValue::GetPrettyDataTypeName(Type type)
     return QCoreApplication::translate("NodeValue", "Audio Parameters");
   case kSubtitleParams:
     return QCoreApplication::translate("NodeValue", "Subtitle Parameters");
+  case kBinary:
+    return QCoreApplication::translate("NodeValue", "Binary");
 
   case kDataTypeCount:
     break;
@@ -348,6 +354,8 @@ QString NodeValue::GetDataTypeName(Type type)
     return QStringLiteral("aparam");
   case kSubtitleParams:
     return QStringLiteral("sparam");
+  case kBinary:
+    return QStringLiteral("binary");
   case kDataTypeCount:
     break;
   }

app/render/opengl/openglrenderer.cpp

@@ -497,6 +497,7 @@ void OpenGLRenderer::Blit(QVariant s, ShaderJob job, Texture *destination, Video
     case NodeValue::kAudioParams:
     case NodeValue::kSubtitleParams:
     case NodeValue::kBezier:
+    case NodeValue::kBinary:
     case NodeValue::kNone:
     case NodeValue::kDataTypeCount:
       break;

app/render/projectcopier.cpp

@@ -238,6 +238,14 @@ void ProjectCopier::QueueEdgeRemove(Node *output, const NodeInput &input)
 
 void ProjectCopier::QueueValueChange(const NodeInput &input)
 {
+  for (auto it = graph_update_queue_.begin(); it != graph_update_queue_.end(); ) {
+    if (it->type == QueuedJob::kValueChanged && it->input == input) {
+      it = graph_update_queue_.erase(it);
+    } else {
+      it++;
+    }
+  }
+
   graph_update_queue_.push_back({QueuedJob::kValueChanged, nullptr, input, nullptr});
   UpdateGraphChangeValue();
 }

app/widget/nodeparamview/nodeparamviewwidgetbridge.cpp

@@ -86,6 +86,7 @@ void NodeParamViewWidgetBridge::CreateWidgets()
     case NodeValue::kVideoParams:
     case NodeValue::kAudioParams:
     case NodeValue::kSubtitleParams:
+    case NodeValue::kBinary:
     case NodeValue::kDataTypeCount:
       break;
     case NodeValue::kInt:
@@ -238,6 +239,7 @@ void NodeParamViewWidgetBridge::WidgetCallback()
   case NodeValue::kVideoParams:
   case NodeValue::kAudioParams:
   case NodeValue::kSubtitleParams:
+  case NodeValue::kBinary:
   case NodeValue::kDataTypeCount:
     break;
   case NodeValue::kInt:
@@ -416,6 +418,7 @@ void NodeParamViewWidgetBridge::UpdateWidgetValues()
   case NodeValue::kVideoParams:
   case NodeValue::kAudioParams:
   case NodeValue::kSubtitleParams:
+  case NodeValue::kBinary:
   case NodeValue::kDataTypeCount:
     break;
   case NodeValue::kInt: